20251281712

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{609391}}^1$

素因数の和:609497

約数の個数: 40

約数和(自身を含む): 41107146752

約数和(自身を除く): 20855865040

約数列:

[1, 2, 4, 8, 16, 31, 62, 67, 124, 134, 248, 268, 496, 536, 1072, 2077, 4154, 8308, 16616, 33232, 609391, 1218782, 2437564, 4875128, 9750256, 18891121, 37782242, 40829197, 75564484, 81658394, 151128968, 163316788, 302257936, 326633576, 653267152, 1265705107, 2531410214, 5062820428, 10125640856, 20251281712]

約数ペア:

[(1, 20251281712), (2, 10125640856), (4, 5062820428), (8, 2531410214), (16, 1265705107), (31, 653267152), (62, 326633576), (67, 302257936), (124, 163316788), (134, 151128968), (248, 81658394), (268, 75564484), (496, 40829197), (536, 37782242), (1072, 18891121), (2077, 9750256), (4154, 4875128), (8308, 2437564), (16616, 1218782), (33232, 609391)]